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Answer:
Aztecs built dams that were called <em>"albarradas"</em>.
Explanation:
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The city of Tenochtitlan was the capital of the Aztec empire. In 1325, it was founded by King Tenoch on the Texcoco´s Lake.
The particularity of its location required that Aztecs develop great skills in the management of Texcoco´s waters. They devised a complex system of canals, dams, gates and storm deposits.
After the huge flood of 1449, the emperor Nezahualcóyotl ordered the construction of a huge stone and mortar dam to contain the lake's waters. This dam was located from the Mexicaltzingo pier and was 16 km long, heading south to north.
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1639
Is the correct answer
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